[Free Registration/Login may be required to access all resource tools.] What a solenoid is and how to change the strength of its magnetic field, and some uses of solenoids.

The Canada Science and Technology Museum answers some of the most common questions about electricity. For example, get the definition of electricity, the difference between alternating and direct currents, and learn how a fuse works.

In this classroom activity, the learners will investigate the magnetic pull of a bar magnet at varying distances with the use of paper clips. Students will hypothesize, conduct the experiment, collect the data, and draw conclusions that...

This is a sample lesson on electromagnetism. It includes animated diagrams, interactive exercises, an audio option for reading the text, and comprehension questions throughout where students can type their answers or pick from...

An activity exploring eddy currents by having a magnet fall through a metallic and nonmetallic tube.

From ABC News in Science, this article, "Sun's magnetic field twisted and tangled," discusses images taken of "plumes of gas" which are rising from the sun's corona.

[Free Registration/Login may be required to access all resource tools.] Explains how Earth is a magnet, its geographic and magnetic poles, and its magnetic field.

In this interactive learning module, students learn about the basic properties of magnetism. Practice problems are provided for ongoing assessment.

Step-by-step illustrated instructions show how to build a simple electric motor using everyday materials to make a wire coil spin. An explanation of the science involved is given at the end, as well as tips on troubleshooting any...

An article defining what magnetic force is and how to calculate it.

See how electricity and magnetism interact with this activity. Activity has students creating a current by swinging a copper coil through a magnetic field. The copper coil will start a second coil swinging as well.

In this fun, engaging activity, students are introduced to a unique type of fluid--ferrofluids--whose shape can be influenced by magnetic fields! Students act as materials engineers and create their own ferrofluids. They are challenged...

A slideshow and a short multiple-choice quiz on the basic concepts and vocabulary of magnetism.

This is a five-question quiz related to the passage "The Effect of Contrast Agents on MRI Signals."

Teacher directed activity shows students how flowing electrical current produces a magnetic field by building a simple motor.

An online activity which illustrates the magnetic property of diamagnetism associated with water. Contains a simple procedure and then a good explanation of the magnetic interactions that were displayed by the grapes.

Investigate the idea of the force between straight current-carrying wires in this magnetic force simulation. See if you can rank the wires from largest to smallest based on the magnitude of their currents.

Work samples, phenomena, assessment templates, and videos that directly address standard: MS-PS2-5: electric, magnetic, and gravitational fields.

[Free Registration/Login may be required to access all resource tools.] How magnetic polarity provided more evidence for moving continents.

Site from NASA contains a collection of 91 questions pertaining to the Earth's atmosphere, magnetic field, ionosphere, rotation and origin of life.

A reference page to learn about magnetic flux means and how to calculate it. Reference page includes explanation and exercise.

John Ambrose Fleming was an electronics pioneer who invented the oscillation valve, or vacuum tube, a device that would help make radios, televisions, telephones and even early electronic computers possible. A brilliant innovator,...

[Free Registration/Login may be required to access all resource tools.] Discover how scientists learn about Earth's interior using seismic waves, meteorites, density, and the magnetic field. Additional resources are available for download.

This site defines magnetic permeability in terms of magnetic fields, and relates magnetic permeability to magnetic susceptibility and relative permeability.